kelley complained to a friend, an fbi agent. that would be this person here, that she was receiving threatening e-mails, reportedly from broadwell launching an investigation, and that put the lid on this. general john allen, a top commander in afghanistan, the man who took petraeus' place is now being investigated. seems when the fbi was looking into those e-mails, they also found 20 to 30,000 pages of back and forth between jill kelley and allen. some say they're potentially inappropriate, maybe even crossing the line. some say that other than a dear or a sweetheart, there's nothing going on. in another twist, remember that fbi agent, the one who started looking into the threatening e- mails? he's apparently now being investigated for sending shirtless pictures via e-mail over to kelley. he's now off the case. this is jill kelley's twin sister. what does she have to do with it? she's going through a nasty custody battle right now and allegedly both petraeus and allen wrote letters on her behalf. full circle, back to broadwell. fbi agents did a search of her north carolina home with

the fbi, cia, pentagon, the white house, and congress. >> i am puzzled by much of what has occurred in the fbi investigation. >> reporter: the former cia director admitted to an affair with broadwell which came to light when the fbi investigated what one u.s. official has described as a jealous e-mail broadwell sent to kelley. now general allen is under investigation for allegedly sending to kelley e-mail messages one defense official described as flirtation. authorities are scouring 20,000 to 30,000 pages of documents. >> it really makes you wonder how he would have even the time to do it and the motivation to do that from afar. >> reporter: the news about allen which the national security council spokesman says president obama learned about the same day petraeus resigned has put amen's nomination to be nato supreme allied commander on hold. allen denies any wrongdoing and remains on duty in afghanistan. >> president has great confidence in the military. great confidence in his commanders. and we'll continue to have that confidence. >> reporter: a defense official tells cnn there's

process in this matter. >> reporter: the fbi gave the penalty gone more than 20,000 pages of -- pentagon more than 20,000 pages of e-mail communication with allen and tampa socialite jill kelley. she went to the fbi with anonymous threatening e-mails and agents traced those to paula broadwell and uncovered her affair with petraeus. one defense official describes them as flirtatious. another official tells cbs news some of the e-mails were more than friendly exchanges and may have crossed the line. general allen says he did nothing wrong but for now the hearings on his promotion are delayed. >> at the request of the secretary of defense the president has put on hold the promotion to supreme allied commander in europe. >> reporter: both allen and petraeus wrote letters of support for her sister in a custody battle. even though david petraeus resigned lawmakers returning to washington want the hear what he has to -- to hear what he has to say about the giddily attack on the -- deadly attack on the u.s. consulate in libya. >> i think it's absolutely imperative that general petrae

>>> more twists and turns. another general and an fbi agent have joined in the scandal that led to the downfall of david petraeus. good afternoon. i'm pat lawson muse. >> we begin with news. a 17-year-old boy now charged with his second murder in less than a week. >> keith russell is at our news4 live desk about a case that has stunned folks in waldorf. >> reporter: guys, a 17-year-old young man is in custody for the murder of teresa bass. they were shot while working their dorg in waldorf last month. the person arrested is joshua memb mebane. he will be charged as an adult. it is not clearhat his motive for shooting the waldorf couple was. police are scheduled to hold a news conference at 4:30. we'll have the update on this breaking news from charles county on news4 at 5:00. pat and jim, back to you. >> all right. >>> to our other big breaking news story we're following this afternoon. former d.c. council chairman kwame brown learns his fate for a federal bank fraud charge. >> his sentence includes two years probation, half a year of home detention. hundreds of hours of community

our national security. >> reporter: the president's withholding judgment on the fbi keeping secrets that allen, petraeus, and kelley and broadwell matter. >> we're safer because of the work that dave petraeus has done. >> reporter: issue two was the fiscal cliff and taxes. >> what i'm not going to do is to extend further a tax cut for folks who don't need it. >> reporter: republicans demand no rate hike. can there be a deal finally to cut deductions in what the rich pay in taxes. >> i recognize we're going to have to compromise. as i said on election night, compromise is hard. >> reporter: issue three, libya. four americans dead in benghazi. republicans today demanded a new investigation and warned the president not to nominate u.n. ambassador susan rice as his new secretary of state. after rice blamed benghazi was a riot gone wrong. go after me, the president demanded. >> and to besmirch her reputation? it's outrageous. >> reporter: mostly he came across mellow. a victor reaching out to his opponents. with both sides up here not really far apart now on taxes, the president clearly

involved with thousands of e-mails with jill kelley. she is the florida socialite who led the fbi to petraeus. steve handelsman is on capitol hill with more on this. >> thanks. good evening from capitol hill. coincidentally, general kelley is not in afghanistan tonight. he came here to washington for a hearing that was to be held tomorrow. it has been put off, day after tomorrow on, what allen still hope will be his promotion to a better job. instead, his reputation is being called into question. general john allen, u.s. commander in afghanistan, was on track to be nato commander until the disclosure that he is under investigation by the pentagon. jill kelley, a socialite in tampa and general allen allegedly exchanged e-mails and documents that were called inappropriate. allen insisted there was no affair. kelley's complaints that she was getting harassing e-mails led the fbi to paula broadwell and the affair between broadwell and general david petraeus. unlike petraeus who has admitted infidelity and resign as director of the cia, allen got a vote of confidence today from president

there are certain procedures that what the fbi follow or doj follow when they're involved in these investigations. that's traditionally been how we do things, in part because people are innocent until proven guilty. >> the president also said his hope is that it ends up being just a side note in the extraordinary military career of david petraeus. live in the newsroom, keith russell, news4. >>> general petraeus' mistress may be hiding out here in washington. she was spotted at her brother's home last night. he lives in the mount pleasant neighborhood of northwest d.c. camera crews were stationed outside the home this afternoon, but no sign of her today. broadwell lives in charlotte, north carolina. she's kept a low profile and has not spoken publiclybout her affair with petraeus when that was first made public last friday. >>> today, house minority leader nancy pelosi put rumors about her future to rest. there's been speculation she might step down from her leadership post or retire altogether. she raised more money than any other member of congress to put democrats back in power b